1 /* 2 * Copyright 2011, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef FLUSH_CPU_CACHE_H 18 #define FLUSH_CPU_CACHE_H 19 20 #if defined(__arm__) || defined(__aarch64__) || defined(__mips__) 21 #define FLUSH_CPU_CACHE(BEGIN, END) __builtin___clear_cache((char *)(BEGIN), (char *)(END)) 22 #else 23 #define FLUSH_CPU_CACHE(BEGIN, END) do { } while (0) 24 #endif 25 26 #endif // FLUSH_CPU_CACHE_H 27